diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 0103bbc..29879b9 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -8323,8 +8323,11 @@
 	vc_conn := f_start_handler(refers(f_TC_speech_no_rtp), pars);
 	vc_conn.done;
 
-	/* TODO: we don't know what's the expected behavior for TCH/AFS, so we don't test it here.
-	 * Current osmo-bts is sending FACCH/F with dummy LAPDm func=UI frames. */
+	/* TS1, TCH/F, V3 (AMR codec) */
+	pars := valueof(t_Pars(ts_RslChanNr_Bm(1), ts_RSL_ChanMode(RSL_CHRT_TCH_F, RSL_CMOD_SP_GSM3)));
+	pars.mr_conf := valueof(ts_RSL_MultirateCfg);
+	vc_conn := f_start_handler(refers(f_TC_speech_no_rtp), pars);
+	vc_conn.done;
 
 	Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
 }
@@ -8339,8 +8342,11 @@
 	vc_conn := f_start_handler(refers(f_TC_speech_no_rtp), pars);
 	vc_conn.done;
 
-	/* TODO: we don't know what's the expected behavior for TCH/AHS, so we don't test it here.
-	 * Current osmo-bts is sending FACCH/H with dummy LAPDm func=UI frames (whenever possible). */
+	/* TS5, TCH/H, V3 (AMR codec) */
+	pars := valueof(t_Pars(ts_RslChanNr_Lm(5, 0), ts_RSL_ChanMode(RSL_CHRT_TCH_H, RSL_CMOD_SP_GSM3)));
+	pars.mr_conf := valueof(ts_RSL_MultirateCfg);
+	vc_conn := f_start_handler(refers(f_TC_speech_no_rtp), pars);
+	vc_conn.done;
 
 	Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
 }